==View or Print jumper settings using Fixedsys or New Courier fonts==
AUVA COMPUTER INC.
CAM 25-P9, CAM 33-P9, CAM 33-F
J-MARK COMPUTER CORPORATION
OPTI-495SX 3/486WB
SEE-THRU DATA SYSTEMS, LTD.
STO 98-5VL
- BIOS ID string ????????????????? (please send in yours)
- AUVA BIOS ID string 40-0200-001105-00101111-111192-opt495sx-h
- 8-30 pin SIMM slots (1-32meg FPM DRAM)
- 3-32 bit VESA Local Bus slots
- 6-16 bit ISA slots
- 2-8 bit ISA slots
- 64k-256k CACHE support in 8-28pin sockets + 2 TAG RAM socket
- MR Bios
- Opti 82c495sx/82c206q/82c392sx chipset
- ZIF CPU + 386 socket which supports these processors:
INTEL 80386DX,80487SX,80486SX/DX/DX2, ODP487SX
CYRIX CX486DLC
- Supports speeds of 25/33/40/50/66 MHz.
- manufactured by: AUVA COMPUTER INC.
J-MARK COMPUTER CORPORATION
SEE-THRU DATA SYSTEMS, LTD.
possible others...
- websites: http:// ???????????
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CONNECTIONS
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Purpose Location Purpose Location
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External battery J1 Turbo LED JP32
Power LED+keylock J19 Reset switch RST
Speaker J20 32-bit VESA slots (Slave) S2+S3
Turbo switch JP31 32-bit VESA slots (Master) S2+S3
Note: VESA Local bus slot Sl should only be used for a VGA video card.
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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* CMOS memory normal operation JP1 2 + 3
CMOS memory clear JP1 1 + 2
* Factory configured - do not alter JP2 open
Bus clock speed select iOSC/4 JP3 closed
Bus clock speed select iOSC/5 JP3 open
* Monitor type select color JP4 closed
Monitor type select monochrome JP4 open
* Factory configured - do not alter JP16 open
80486 PQFP enabled JP17 open
80486 PQFP disabled JP17 closed
80386 PQFP enabled JP18 open
80386 PQFP disabled JP18 closed
* VESA bus speed select <= 33MHz JP22 open
VESA bus speed select > 33MHz JP22 closed
* VESA bus wait states select 0 (CPLK <= 33MHz) JP26 open
VESA bus wait state select 1 (CPU > 33MHz) JP26 closed
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DRAM CONFIGURATION
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Size Bank 0 Bank 1
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1MB (4) 256K x 9 NONE
2MB (4) 256K x 9 (4) 256K x 9
4MB (4) 1M x 9 NONE
5MB (4) 256K x 9 (4) 1M x 9
8MB (4) 1M x 9 (4) 1M x 9
16MB (4) 4M x 9 NONE
20MB (4) 1M x 9 (4) 4M x 9
32MB (4) 4M x 9 (4) 4M x 9
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SRAM CONFIGURATION
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Size Cache Location TAG(U39) TAG(U40)
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64KB (8) 8Kx8 Banks 0 + 1 (1) 8Kx8 NONE
128KB (4) 32Kx8 Bank 0 (1) 8Kx8 NONE
256KB (8) 32Kx8 Banks 0 + 1 (1) 32Kx8 NONE
256KB (8) 32Kx8 Banks 0 + 1 (1) 8Kx8 (1) 8Kx8
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SRAM JUMPER CONFIGURATION
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Size JP10 JP11 JP13 JP15
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64KB pins 2 + 3 open open open
128KB pins 1 + 2 closed closed open
256KB pins 2 + 3 closed closed closed
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CPU CONFIGURATION
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CPU JP5 JP6 JP7 JP12 JP30 JP34 JP35 JP36 JP37
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80386DX 2+3 open open open short open N/A N/A N/A
CX486DLC 2+3 short short open short open N/A N/A N/A
80486SX 1+2 open open short open short open open 2+3
80487SX 1+2 open open short open short 2+3 short 1+2
80486DX 1+2 open open short open short 1+2 short 1+2
ODP487SX 1+2 open open short open short 2+3 short 1+2
80486DX2 1+2 open open short open short 1+2 short 1+2
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CLOCK SPEED SELECT
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Speed JP25 JP28 JP29 JP33
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25MHz pins 1 + 2 closed open pins 1 + 2
33MHz(386/486DLC) pins 2 + 3 closed open pins 1 + 2
33MHz(486) pins 1 + 2 open closed pins 1 + 2
4OMHz(486) pins 1 + 2 open open pins 1 + 2
4OMHz(386/486D pins 2 + 3 open closed pins 1 + 2
5OiMHz pins 2 + 3 closed open pins 2 + 3
5OMHz pins 1 + 2 closed open pins 1 + 2
66iMHz pins 2 + 3 open closed pins 2 + 3
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VESA SLOT (S2 + S3) MASTER/SLAVE CONFIGURATION
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Jumper Master/Slave Slave only
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JP8 open closed
JP9 open closed
JP14 open closed
JP19 open closed
JP21 open closed
JP23 pins 1 + 2 closed pins 2 + 3 closed
JP24 open closed
JP27 pins 1 + 2 closed pins 2 + 3 closed
U29 (PAL socket) Installed N/A
U38 (PAL socket) Installed N/A
Note: When the Master/Slave setting is used slots S2 + S3 can use
Bus-master cards or slave cards.
When the Slave only setting is used non-Bus-master cards can be used.
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